{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x518c0316a3fe0d8a7957c735b269156a2f7bec5f548fb6d5944b88e24e61041b",
    "signature": "0xed78e289af3b20dc4da8e59283c78f8c1f1b252163b0faa7a638312ce1304a52545a9fe9fd11b7855b791e6e4577cd1c3e72e2b974c01a52274dbd5e01177ecd1c",
    "signer": "0x9d5d1f1a59bB255396F7F1e7DeB307A4F66f15ec",
    "userId": "429311703"
  }
}