{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xac0ce54737dcbbb8b9c14f289d0564f17c7d4bb2f24fc858744b9acec95cdcf5",
    "signature": "0xdf4d6fe2ba29719587f094cd347787ca7e01f90aedf2a89a4792bf4d64f057b34e34d6627122a100ada6a8b62e12f36720338d51633292bc956c9e929276ea4c1c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}