{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5db7bfe6235fe399773945dee3a4f23db0bcf0783c85d8758a726c17939a2ce0",
    "signature": "0xc35b7ca9135d268cd5181e861387bf0eb08a8bf1e51daf0e20a57945990936eb0aa8f07adad189172dc77ba403794803f01d99c5730d857e394e04636dff4f751c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}