{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993795264",
    "entityType": "User",
    "nonce": "0x9fe6c6e9ccebcd093e3588f29e4c78f5327e14312aa6c0bfd9e1feacc572d466",
    "signature": "0x6e9ad1c80cab23983533a3970088473a035bde9d1fc2e57932f3f5683435ce1604ae22346b7fb4273923cf1d9277487f2201a9765e19b8a4a5e9f5d51db8c4c21b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}