{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693913",
    "entityType": "User",
    "nonce": "0x135a1d2102b36bd27ef3416127b3ab172e1faf113e47cc7715564a217655a67e",
    "signature": "0x0e2bc4509adfce20d41e77986eb1eb8acf75f175fbddcc575a94969aef4f8edc2593fc0a53325e504adf066d6bd8ccea3c53b9ad1a03ba0a1a2451c1959a0a861c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}