{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170302",
    "entityType": "User",
    "nonce": "0xfe3bd04c365497c4e02da8909310ca21158cffcbccdd0464d3b46da38af6e018",
    "signature": "0x171658b0e764f9cafdc47c204baf096ee390869f3933157ed95ff0b859c232e0401c55b38b04bee453a4cbebe18c4f19125dfd4881d3ede01a0b887db30c42751c",
    "signer": "0x73Fa2a31B1ddF03cd963c53C67ACFd9Bd27E7d2A",
    "userId": "970203605"
  }
}