{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "685312",
    "entityType": "User",
    "nonce": "0x50262c3b474d12d3175451a11828e352f2eb5d987e1e9a87229e92a9640c3253",
    "signature": "0xa093f755842228e5e1d1074c91b0a9245291d02f5ea427bae8decbca80e57f8d29b36b2637041e549f7a87397bb9de1b0da3534b913e8140a3d3fba9d421daed1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}