{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174283556",
    "entityType": "User",
    "nonce": "0x658d49d1e450b8595c7587a3d4de35d8502ea4e0cb361fd3e752a3275b3bf2b4",
    "signature": "0xc7dd30912d76b7c3d19240eff025ae603ff1e6ffc13a1d11f960539d978788aa50b6be9034016bb387f442889742a0862a4501ab55086725e6aeeb9f0f0a24f21b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}