{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0x2bcebd4baa14b7686aaa53ac7075eb62a3e2c3016ef6896e8a34805626a97c59",
    "signature": "0xabc71d2aeefc1df6ee83fdb6de4d9db6ced1812ed240ad65c4119722f288db54322baf5a7163e1e860c4c21eca4526d90d5e0de5cfad6bb2b6c7fe72b5862a0f1b",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}