{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x6ba59787a81349cb1b066b0e20459a4c731d025a30f453448b4c2673a2e5b173",
    "signature": "0x9c9430bebf1e71bd9fea6eb7c824524f17f37c790109ed3e215b3d9683acbf9348f56b17dd95ef534774f540573b98a09d9def7ce75e64d1ef299fe03a29a9c21c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}