{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1579",
    "entityType": "User",
    "nonce": "0x47395e1ade6ba5cbbb8d0d642170f6cbf906de9998bb2aec022443594c07a1c0",
    "signature": "0xb6a64d399eca1247d3a88f6e7d9252373236c77e8864f94740c54aec0747a1be540773e812e3342170b52bb85d8e703d66c49cdd935f576fc5bce49a49b34d711c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}