{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x62febf19bf49dfcba6e1287f8d2d448ef3385365331fce81397e6f73159b1e7f",
    "signature": "0x2d12ebfa426c33111c5ad6e8a428688d48f46760553690b3cd03f34ae313838c1b88ac11254a5b60d481be6b904b5181d306be65f7310b9f8a612f7170a45c0b1b",
    "signer": "0x2614830BCa09Db4Ad9Fe47cb3aace6c86A792708",
    "userId": "835936241"
  }
}