{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0xe450c96d754dff938469246b7a5436616635ffa91b19eb82d649aaa29d6c1309",
    "signature": "0x52af720c79502706befc710fe4c257749140dc8eaf24435ab19da3b61a8bfc201e50084787a96ec9001baa681671e2713c4ae62d7421d4bb1fe67a33834336951c",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}