{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x6b573cee9361fa4b735922224e93b2b68eda88cd35efc035dd9237fcfec47934",
    "signature": "0xb4c22a920386dc2d6cb1f1c412ea698970eed93043959fa2ee7f12eff241356a40c2daa2f193f21eb44cb8e71e44c850018cfbdb87bfc8ed6754af1745deb5ba1c",
    "signer": "0x380DE63E763a171F1eb6AB0E7655C4BC41Fd8002",
    "userId": "992625261"
  }
}