{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x464af3a6b8c5e16b42ef7fa5674c31115ac97acc1ab5befdb6a0ab145176e71f",
    "signature": "0x0cf171f4638596613effa78552d3d83d460b676c2f9f671d73f1c76f277d27c71efba112f5f437b0a91f236dac1e3e01b51e2283a2d9b65060e837596f8a56861c",
    "signer": "0x4DDd196F82e57869E706Fd10381a359418B104Bb",
    "userId": "585727851"
  }
}