{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267857902",
    "entityType": "User",
    "nonce": "0x6a108ad105517009cb2fc84c7be1b479a8a77e2eaaf6fa5653970bdf3bb1c8e3",
    "signature": "0x0723665c3ea8c9e172c2c65912c694b76a12afdd57c83071f2d271b85ffe6f583fe96206d863401f1454a1bc8dd58ca7c6eae15b0048e0ce1c90cf8b783e5d0d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}