{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x71638d42a96cefb0faef5dbcc9bf91012face6a8ce03a99f295c7f4c6407d3fc",
    "signature": "0xc8dcb5e7641b6efec40d95bb565164ffae7d48155da813deaf3e4f43bd48fd6c63431445d2e62241324b97337044378e5b59bf1f9c36fe2b7b20ecabea9cd7da1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}