{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66008",
    "entityType": "User",
    "nonce": "0xca33e986361ae10d0c9875af5a0f7ed768e46f5b406b788112b740e9996e3fb0",
    "signature": "0xe2135e09c33f3044322e37d48ccaf46acf759be5761bd1151fd9eb3c4b4a94102ee3ae8ff580e7558c059c47a9f329f6fb4ea076723ea1f29f29abdbe3bcfc931b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}