{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0c83c0980b5bd4471c5990f1a10d0617b0e08bc98bbc69a1c0f68b59ab7b4781",
    "signature": "0xe8f35b2d0786c13d7c0d7563e6ba5ab8e601e3adbb8d1aca4a9bda91216b9e08677976bee38c42da75abb25e8821382d92fb111079ef023e82aaa6d54251d4511c",
    "signer": "0xc6BdD536e3FE1222591b7bC56F3Df6d6a8b74Baa",
    "userId": "387770103"
  }
}