{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0xc0a976b70dee4511f1a10f878f741574a624aa35af9aadc4fa2bb0d3aaad9f4e",
    "signature": "0xcc35f8263bd4384d42dc6af6b999fc322b2e73a27d805b5d1958f7cffa61f0544f75a1da0374d5b0a5f10df9588ba16aa5d4b489cd6948c8ea8bef3f7164675e1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}