{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xd5c72be4d2ef7c38497f624faabdc0ae4bc7f6f97626be7809bcff00044b97e2",
    "signature": "0x59d545e738779859d8fbad1d554d8715c1ab03e9fa4f4fd01195e3b5a65758566087892b7587e20105223d17caafd2cd544664493d9b2d1ad866c3f2e7b0ec751c",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}