{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38437",
    "entityType": "User",
    "nonce": "0xd0e7e456b9b0cf2b6689e62d75fc5222cac10fef2148733b40a8d5602013a4ad",
    "signature": "0xe5aeeaa372a000c8f657f3aa14f31b05155381e0c894eea3d17f046470410f3a4ff56397b2e6a286bcb2d9988e63eb39ee755de5841372c1e9f159d59872ff2e1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}