{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x42ca8586c0f367be0cfd6e302a3bd3eb28e6c067240380ebc88118af72d451ca",
    "signature": "0xfd5d593c68cb8c2acdb48b421770af0d74b27d91c97e7439967cfbd2841d30e7438de23414e7949e288deedc52b6442f44f2df44f7d5ccabbbf268257c2128701c",
    "signer": "0x9A5E16E48e938860681e75D3d0Fa9f61982e52e5",
    "userId": "267890965"
  }
}