{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0x4071d3cc74cb4644a41f62c5cea8e1f7b3f9f6b120c8362e8e53472eeeec10d1",
    "signature": "0xd4012ca48f769ec2a655f18b17cde95ee1ea811db8fd2e4f387201fc2e59cf25392b1acabc4f257e0483c20a8cd8f12db3fbee1330e731c9ec1a9ec7c951ff991b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}