{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436037627",
    "entityType": "User",
    "nonce": "0xebc4366e0b638ae32994c5f5babdbb3d84e9230693cc5318815b757a526326ae",
    "signature": "0x7ccecc3d271e5acdeefa07591777ead641616aee7024c3bcb528815eeb5d5c8655561c836a371ff57fc77b81a23da62e86ef6c43628731ecbb84ae4dae06af621c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}