{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3025a958c54dfdd95c7e2ccbe91ed6cdcb759a47c2701ff25b1671699fe6cf8e",
    "signature": "0xd7bbe395a7e686387dab4dd9d1dd1a62e393a6b9c0ccaf13d4a512a01e878dc51ce6e122ef464a77eb3118ccbfbf7095eae907b09380963cfbc71e3ac5aaddea1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}