{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0xfe6d79075992f5aff1bfbb18be82224968576ae279d730a29f2b767e57b639ba",
    "signature": "0x078c4ba89e13596a330da234655efdefee807f20bd8c11c0511a8d8ae393798c4379aec72b309b853a42cf32072ff84a9e771e7002acb83557ae3889c26143841b",
    "signer": "0x8cf62510fac3cDDb31F4650442fcD7C5EE585625",
    "userId": "764635447"
  }
}