{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274010868",
    "entityType": "User",
    "nonce": "0x0957ef720de7dd678fcf57992b792897bf5750633b61f7c2398811ba45b2e9fe",
    "signature": "0x0872550241072b0341cf8a6d5afdfae551f724c2472ba70465e43c20f1d9b35e62ef089069d2085b24f7f56b4c1d16d31ff531dc00138ed00bafeab3e85b2d301b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}