{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0xdecb5f5615a283126e8421c6fae504d565989841dcf4c8a9b2808e20a7ffa68c",
    "signature": "0x2ac2720286aeb638a5fd0efdc626e0a362f3ef6d4f1a6dc91cd7424edeaa2c51416e37ed9656c70d59bb75d63bcebe560597aac3d95a10eea238f6832ae83de91c",
    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
  }
}