{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "665720057",
    "entityType": "User",
    "nonce": "0x994ec780b7651cc8e183f4b31fbd46366dcac065ae4d0f2f97d45919a5149e11",
    "signature": "0x5fc14db8347214fae136006b5d3269d7638c75ac67420b4f4ad5e46218fe0fd84d49f6bcacb7cf9ff3673f8dcc9a5b3f11216a27167b40a42f96fd92face20071b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}