{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147008152",
    "entityType": "User",
    "nonce": "0xed649ac25aa7cf28c85f4d70e662e802a0bf88f1abbf848e7d12a9377b4528ee",
    "signature": "0xbf297ed4c5ed4bf244850a32d9a694e5d95d6abbcd3f5d9a274a3245521535bb647d10751fcdb17ff0b5b835d6144d4bd747c698cdec4e4758f3543f6fe750371c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}