{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x089c989be699925182ecf048cf7f7b8c645465f7b3bcc43f8f9979e47dc383f8",
    "signature": "0x3dff66dc805a30ea422446f3f33b0fe78f5ea03dc698d274dbd6e2c4c5f84214592f728a90616c50c9f7c52bd1e7e75d5ede000c47dad491ea8940591ff554391c",
    "signer": "0x4eB927048dE1707a6DE82989ecF1458B45B9e27c",
    "userId": "117108"
  }
}