{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xeeeb42c5c18d73072f26c29187d1e6f2208c4dad09465e38eb1420ecf20e99a4",
    "signature": "0xab7af0dc26f379edd4665ec6b4bf2c14afbe71172ae36e70f97fd9e83644dfc8059dcd28498131164a639ba792892808910e54a6851c392c47ee6f18a07a12461b",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}