{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x9fd88da17d7ddb4d81f4d0cbdab87fcb241ff77c03e3a6a5fe86bb9f3fa18191",
    "signature": "0xa8439879c21330c1c5d6490952e32c5718ffbf343bf7c23833e18e1d61bea0b12cee049f26de5b202e5e7e84e06e928650fca073bb177b983485cd99a49ac7eb1b",
    "signer": "0x325382279630424A96726a642a0de2C40bABA799",
    "userId": "922166032"
  }
}