{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2364",
    "entityType": "User",
    "nonce": "0xad584c31d6222a2d9894b34f363c4e83dff564bc478406168009855df95be15b",
    "signature": "0x52c385181036afa76e4e529602841a6e135d4ceb4bc8238541ed5a2b4036299d36f7090296d0926a9f4bbe90355edad4131a2064bd2db39aada2c6428fef600d1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}