{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178055",
    "entityType": "User",
    "nonce": "0x5470bf451054dbdce2736ebc1a8bf690139c730b9181e91bfa195e17cb70a4b4",
    "signature": "0x9219bc364672ed0a842ef457096dc3efc7b4728a694f915ae5b89ca5b7707228455dc34c685063d4e7310f718cd9c6be1cf35aca0c31aa12103311505063c93c1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}