{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906222947",
    "entityType": "User",
    "nonce": "0x00f4a43f3cdcae3141b755807c4123dc527f7741df866632330761a973382e6f",
    "signature": "0x6c2d089a6ed75a2e0fbf750d32c00e8fa599753f6897a48e1269fcbeec1c1f3a706b1e09654fd9ef7283222477bb7bbcbb6a0a00e52ea5f74663e891444466d91b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}