{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156881",
    "entityType": "User",
    "nonce": "0xa10e28ae1c70cf12fccab6256bfc2dae90c61819e7011b37e777beb34fcfaf58",
    "signature": "0xd827adaf052a655722fc95e8853233fb32b300d7a0256b11cb0ccb5f04db327d26a4e89ed8174faf024336917a4481272d06aace4b89ef1beec23dacff4e2db61c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}