{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "756082",
    "entityType": "User",
    "nonce": "0x31673b7f5ece857d9182ddfd7dd872daf319afc463373b36f2e951a374435ef1",
    "signature": "0x2a252bc31ad47ca1b161429f8fd1055c7dcf6adc59ec3ad5983070674cc59d707079ec0183114938ab8cdec3456db60b5db38863503d1af13cd1f216657520f21c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}