{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x4b816e7a8f5355c3ccfc5b1c0f23c45a3bde74f843bc2b4cdc382eb2f3015be3",
    "signature": "0xaaeca7975e126434bbd7b28e0962e7da3986db06e9e3d6ad84cf5e9a93a530ae5c2b1201ddd70a4651d8b647879dfbd05d3baf850f6671bb02f86c15a91b55501b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}