{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319106",
    "entityType": "User",
    "nonce": "0x5e7c130928be46197bea53bdb74365b0998e2f8ca8cf642d76cedc23e4d40d6b",
    "signature": "0x3229ac0417283a175719f75d35fc4fe4c25f13c386768961ac6c30a2f3992a0264f1dca4abd1753d4eba19621f12dabd3ed56d8a412313dd6f95759b3b83d7cc1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}