{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x8e3ae789ecc1796c413f06708eb7a4ac65165a5abee1c3b67afb6e04beddfbbe",
    "signature": "0x2ee46c43d35b678171776226fd883d78632bb731f0f187ce84384de87a6c82ea25cf2e5e1fca257e27c3a3460aed44740efc42340901305ba3cb731396af0e9e1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}