{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1353",
    "entityType": "User",
    "nonce": "0x2bfc969894b84f7b227e96becfca6adc64a93f018d5c7b5ff09c775cb3dc57c2",
    "signature": "0xabba376d6c70d734b54de4a015d79117df9063af2ede798f84b7af03660bd8ea5480969c3e59013bb18f509fb3e0deb8d7243a73a65e15cce5e7ea1c4bcfe5ed1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}