{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791164",
    "entityType": "User",
    "nonce": "0xddd1fc45a695de7249e1cd3ae5be5c9fddd4545e766aeaf35486584282c678c0",
    "signature": "0x7935296d1db1299f28d4773f0e30c1793aea1f4a345f5e4474bdf96e0ec49e3b2535dbc70ec95ba6ec988b5cb7ea5b6d671785ec49b456adff98df7f4f5ce9ef1c",
    "signer": "0xb9160bee52F73DAB98D7cB3210d24Be59194CaC4",
    "userId": "319969"
  }
}