{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547124825",
    "entityType": "User",
    "nonce": "0xcc54d9ba56e0e0344d56e585703c3958158ee7f7b1ed0eccc064dda7e39d2cd3",
    "signature": "0x253bd7b7f1db905b51c6a732b593d751a5b60c87f873f990f28250700c55f1c83e568d857803a48f1773b20d3de350dc11b2ba8f50dfcb6bea9e1e062b82a7841c",
    "signer": "0x24EB8cdE5605b86b2ac2d2EF049f85BBe3B90E28",
    "userId": "993204852"
  }
}