{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbed8f334dc81360c5994b6b141e3f34996a4a6bb1caa1c77540a0ec14ea8107d",
    "signature": "0xab4523b49da612e717fbe26885cb3416f14f5fb1d09720c0b18ec9ea104e5a8313fc609ac5c9cdaa17f020a3ea160dfcd8bc3c381f6251ff72819da3085b1d4d1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}