{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "701379462",
    "entityType": "User",
    "nonce": "0x3a3dedcecf5fb0fc11202d730e1a780e07773d8bd588c301155a3e58d5426f0f",
    "signature": "0x63fe7f461c5f878c38859c2ffc0c63556140061f9904cf02ccb679aa1b29c87e45f3c087da915e045c02eabd76e93887fc526fb2677ae40c39e862dd77c0fd9b1c",
    "signer": "0x0168976438910D2f5330323a0d0141Fb4Af95032",
    "userId": "317847"
  }
}