{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82897",
    "entityType": "User",
    "nonce": "0x7e140b5485aa871e74f0494b7cd7beb8fb85e0db9694fdd5d42d8971b622b23a",
    "signature": "0xabac3c37cdb0f1d20b5fc5a9cd3b5ba29f13eb496a3e8a38969114c77d46c1d962003b9c049694e38ce124cefdb372c8629f6b2de7ca4111a8ef4e51f74e8ca71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}