{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1441",
    "entityType": "User",
    "nonce": "0x68562d8f7553898e03fdee15e0de7bac196b6817d90195dbc9b46360bfc32377",
    "signature": "0xb2f5a5e6f0574475d90e3a4382a234c76b19ff25edd4203cf983a51a62693d6e01c49f8bb4fbf7ee1ae03b207849c0407916f6b2dcd1613500ed1a3a8b19967b1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}