{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0x17d0548067ea38718dd61282caa74943aa5deccbf1bd6541559912ae2e07b4b3",
    "signature": "0x7b6287e43c2b135fd79903b1a106bf74195ae0e7be4e42127930dc508f0b8516091309b4978486b22f5f437a348a4b5cd60af43a4b9cf4fe6409447b8baf11431c",
    "signer": "0xaCEa944E637Ed70d0846f218FeF88B644E2AA918",
    "userId": "221007610"
  }
}