{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436041",
    "entityType": "User",
    "nonce": "0xf2729a0c4beda712ca0d98d1cb3c7751b0c5a21d07eb1536a3f0349f4eb111e3",
    "signature": "0xf2bc4cbbc0c84c0a4e7c85851cd5674e28d439779d305016b7283ff2f0c4c2bc5ed1d99c86733af1170fb3d278fae201fae322312f87e3574586b08be8cd20ed1c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}