{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0xa62d661dfa5314ecdc21abcc4718d50194f3e97b8f6e14e1ae6b225ddfe9f5d2",
    "signature": "0x646e19086f817169f78deec68654c7dfe67c99bc85d401b63189fffa5841a3df318701ed1c1eb63a6ebedcb8006cfb7e7d0cee2a6beeb5b3a28d7f31c46474c81b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}