{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0xb002a24b2a8cd90559492e1bdf28af5ab04ac291b190fa759bf56254c7deeece",
    "signature": "0xca0c23b847c1da12471d0d47dfe63c458dbd921a96e6f2234bb456a67786a4cc3c515db88c06a0403414340eafe2a0524a747a11363ecf4fcf4471af7276758c1b",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}