{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xab92ed55d0a86c9289e231d562d7174538bbd1fb158fb97902907b5ac53ba9fe",
    "signature": "0x256635de7d3b8354f12aa3667d2fdca51ffe4068dc462e8768c846bc985781ca5f9917accb92a73347aabe0f193db9319083bc8b3d3d186624d0299d3f99bd341b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}