{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x5addd525911b9c1063e9c4b12913b25d8996ba970e7b0f6995bf5bade6084abe",
    "signature": "0xd7c589aae94f49bf56ddec0f852346e266f14241516b6f9941454fcd938bcd7d325db9c5fb093e2c0fc9fa0b8e446f45fdcc58a22f34ded144918009026dd01a1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}