{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0x286eeaa28de787dda9b2019a08f1e5cd5a326128104d34c9c67585dc3dfe0efc",
    "signature": "0xbf0713e9a1d29f2ea6272609e3660673acb25de500eb155d49b94b0b465deed86ce7e60a3d203dc8c5ed51c98bfef791c10fab185ca81e50b1270e583f2bdf441c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}