{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402393",
    "entityType": "User",
    "nonce": "0xea43f57d896f9ddc326666e0a3a82c41eb16810dfdd9c68b261ce5351a383814",
    "signature": "0x10ca3f24b735bdbf53559d18168b11271d815ae2009938f7471fb04f7036856a06717772b547bf5bd955d188d2edfad1e6da70538c6ddb51f6cff418f0029cc41b",
    "signer": "0xe2d5dc854661276F91ac9193d716a22d85a0A408",
    "userId": "610082448"
  }
}