{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366904850",
    "entityType": "User",
    "nonce": "0xb371389f924323fbaa71f9aaec899435b623eab079333cb03a0986885934c704",
    "signature": "0xcae4c45c267744718d1c1b325e1193d14cbeebeada22a32fd96db2bd9825d41a6a00ae1c5f0b2acccb1ced60609a190e5d9df227afbe2fe087239c0abf850c101c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}