{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb68698e8fcddf83255a6d2f8058c259e3b007152763569a9aedd7385b3af0663",
    "signature": "0x0db468a12ee31b95f0051970c430351070ee1668a3f9197d8773bea56b4490c21b1318d682e539bd9ef936eefe037da15da4bc06f20c6c138ec27395aeae24481c",
    "signer": "0x98397bC1E4AC918E146863f1061ce4833cE6e957",
    "userId": "235638022"
  }
}