{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x0d0013140e5016db71bd2f932c5b85016e397c90cfae90b0bd7ecc07d99efa41",
    "signature": "0x5c77a4bd6aa94bd8114e291539394db38d0de989256f3fcf6a95fa45b94fa82b28e8732d799307203551388227551fb1072deecacff75a78da1180ad0ad826331b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}