{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "508186998",
    "entityType": "User",
    "nonce": "0x9b312c6caace0b1e0c472c61c6e2e38e67cd0903cd28ad7daedbc806000633f8",
    "signature": "0x0261b2861f9e054b73b3c124880a77453d9c9c0f1238783f354d77d13173fa7c0dbd34bb3bc38a9fa6aa5e18f47ee39d972ed5d79a958c6d9751aef1e3756ec51b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}