{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293",
    "entityType": "User",
    "nonce": "0xaaab7973029e63a04d5b014d4e7992de53bad49840ba40b1d1e141461da6910f",
    "signature": "0x1032d5c77846069e51a3fb759741ae48a02f1976eeb80b05b6b108483f648eea36d533fd85143bfa6b906cd4d179110f5ce829f84007d33dd5966e81e16a52081b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}