{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243957320",
    "entityType": "User",
    "nonce": "0x4169ac4a374e098cb5e9e2ae95de602a487c60214d2dd0a9aaef1035a3b0ae95",
    "signature": "0xb601247aca2992f8c823fc52fe1b2eb5d580d676b612f5b87da4283d017057a8287efc04badf4a78bdaec70faa3af06c6b7978339f6fda9e1c12730e6f016a1d1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}