{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38576",
    "entityType": "User",
    "nonce": "0xeb0d87c19384ab4d474a958802f9335a864fff8e5cbc83e22cc4795f5d79fd52",
    "signature": "0x3f479da93c0a42ed64ff9b816bbac4ec7314923f1bc0c0d301928b86f464c3965fd30b469815a6916e2e6e2607075f452ddb0e86decf09b1aa702a1f3c9b74061c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}