{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406441379",
    "entityType": "User",
    "nonce": "0xa47996c75e0bdf868fd57ca6173b489ba8d2fc5c7ba1871635267b2f615b1083",
    "signature": "0x376ed681cb2bbc0ecb6652596a3085cbed0ccdb31ec18ed74a23ac507c157491235448802bced34a51287ea238e8897ab83adc18f12bb36331f5dc2ba2a4c2a61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}