{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x0e3a00e06cd9f40601659179e726d1fca39188920965998caeb26b70ab4802e2",
    "signature": "0xe27cd857a80581a39f1c3129e098d6a3a5dd8189f2b9e0eaca2b88101f8571ab0c02ec7296163921f1390499fee11b836e31c1c2d31b5a5f1f9bb7a7135eef761c",
    "signer": "0x3bAeF837369bF35C2ED81037444d982a8045bccd",
    "userId": "631423161"
  }
}