{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290283513",
    "entityType": "User",
    "nonce": "0xd7cf253a65b9482499906ddb9cbedcdb7230fdb69ba91b82fd341e3181c7b109",
    "signature": "0xe519b9b08376a1b46e27f6f2890cc845ba8cecd35b7e4ee30293374a6a282cc7113dbfef7ca5479bdf6231b0f09df8a210dd44ff4cd72677ff78aada1b73bb4b1b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}