{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860501393",
    "entityType": "User",
    "nonce": "0x12b90aead21cefa6049d5c145a45c8e20814decb48e0bb960714390bc5138349",
    "signature": "0x79f1965c8c6efa9f4318496743e716fe289fab247303602bc24e09a8bd9a2c9a2e640dc104daa2135cca5d78a19534f196c289e30ea326d08dd4554496aeedbf1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}