{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x52ada50ef1e02f88a192bbddbeeabeb066fa0fe4e18e2f336f7486a75c87fc60",
    "signature": "0x8ba36e2233fa4a4bdec936fa4d812efec55294868c967ff70e88e6966324a0ca29ccdbe3bacfb04add88b2b3cf9adfbe51b0a38f7ad7528875a6a9008a8fab2e1b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}