{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61472",
    "entityType": "User",
    "nonce": "0x2aa1c6335f8116c4563dbb168183bcab95b487513bd3a56949cce7274d566680",
    "signature": "0x144d5243a8f423f827de519689fee3827787808db1e018d0d08971087454e99a6b2991da3e4eca3c26d37a6fd5907e5c1f0a5ebe2cbb62d7767d506b4a8447531c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}