{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65580",
    "entityType": "User",
    "nonce": "0x8f7311648ed1fa26684220c3ac52206efb63da72b772d00456c4dd97bcd0e688",
    "signature": "0xf6be5ae4605aef4ac2f08e476f78b5e81ea2b8c60b9d181b80f1906c5e3e8d97508f03ac36d022b65fedd69e77f737d418e390cc09013c3a9a0d5f6e9ba250901c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}