{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0xdd2644502a457bb72b8e5bc3d94878127c3eb1087a55e6b16a4327c0d78fb70e",
    "signature": "0x541944a1f2f8fd5c47cef33ed0618021bbfcde577afa6d64fd29da422cf10acb273d77b18c1135a2524e7308ce506f65b51f0a53ede238485406a45f7b15a3511b",
    "signer": "0x35dfC4a08310C09d76D821A6D1a39D6c902B0dfE",
    "userId": "669683733"
  }
}