{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x380e563d9ee34a871b684ab61026643880060b92d3ddc0d9a86090f5d3db4c89",
    "signature": "0xa97d40bc2a6b2e8fc58254e086026ee2a85890eda53edac2996babcc9926d82d4d6f877c04b9bf9ac0229fe836e0b969e482560b24af260e641aa31cf09779d11c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}