{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951616316",
    "entityType": "User",
    "nonce": "0x530646245fd836df3622e29b4e255a4c91c2cbd3054dcfb6f6c4f5d1f9c46949",
    "signature": "0x91f6815784be3755b2d71915f6bcf533b50b77d9a7c90b839acd2d630aaabef9650000d8b47078ab170636142ee376893f63a1f1b3649ba2739b9c68c5dc08d81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}