{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x936b49054d28ffdc7ed560a87028a309d890fbdb8cec8f7524356e6e3fc4f8de",
    "signature": "0x1054f9c71fbe1e72995746a9545ac7f26f223fc94caed0d97dac576251a476e1606dc25a845ac3e9d28408f1674b1d9d2c576060461ac66e063df6b87f2bcd621b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}