{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84901",
    "entityType": "User",
    "nonce": "0x07886f69a9a257efa13fb63705286c04b205bfc431a7b74c59b9829456afec8a",
    "signature": "0x91a32dd439377b8526c4879a926cc7b1ffe281092e437b474fde0e1c97ef479b5e817f81eefe0e28112b4e2b9691409401a37ffe6c9fcc2d3e0b7f6ea3b3735a1b",
    "signer": "0xe37e3082E6bEE4aBA583b44542CbCbe93ECA05eA",
    "userId": "885355303"
  }
}