{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1770",
    "entityType": "User",
    "nonce": "0x0f58933a951855e62f05ab1326ba31a77cfb4a2cc36c57f905dc235566af11e0",
    "signature": "0xea4af9b381b07533bbce1fbc9bbeeae92a20d4fe821f397a3779f968812dc67d6e31d5cc1e9d0b432ba2a909ae4db217c06939e0fd1124015a7072f85bc66f8b1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}