{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196632465",
    "entityType": "User",
    "nonce": "0xe5856a163b0d8e466f44b88373e13a51e27be9dcacd5b32c1d716e34873d7ee1",
    "signature": "0x5f1179b6d03ef0f092bddb102427f94eaa39f69107eeace83f9483cac53a77c24466b75ff55aa2b202eaacd91747a9fe02fe788529c6385cf24bf5d554e2ec041c",
    "signer": "0xE020146C7aCDba5DC9524606CE182F8A3c1BAF36",
    "userId": "294330"
  }
}