{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713649918",
    "entityType": "User",
    "nonce": "0x47e6e3e9d7d28c5812fa16d06025522f465a042c5081e16c703550317e392547",
    "signature": "0xd0dd31ff045a95762d7f4f657f91024021481d51e5d556007ac198e5477fe4c23bbbe5cb36ad8a23490141cf30544780688a98c0f49db96f004157b877432e541c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}