{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "420647095",
    "entityType": "User",
    "nonce": "0xdc7783c4c082bc29b885b9a3da04ddb02c616051e3d6f49cf429bed7144592c3",
    "signature": "0xd5d73eb86030a65127c172f6755e3c17c2536f2f9ae36ddc1ea214c5a4f1ffb60c5fd39fcfab75db2e3d625ab9db5620e89e7dc33daaab49c65ffeead686b40a1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}