{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195346362",
    "entityType": "User",
    "nonce": "0x8520ee33d1dfbf022bbe6f8d8789cf8c72ce5c45e17b75fd212122a5db1b2179",
    "signature": "0xd64b9d10d9e808e8e01f53f0b146ef0854b79e667d1334b246a8672de10e6da2367e00dda1212b4340343324680031557d0fc89873f9b6a51bc9aa55ce0c95af1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}