{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298795",
    "entityType": "User",
    "nonce": "0xe7c356bee79075e0f38a6d3326ed3f5073a2de4183e52a5ee26a6a6abf940fe9",
    "signature": "0xba89e504602599530be09bc69ccdcdd4ec9f7e7bd445e4989589f94b19c5b348624f171438f40aad45123a81076485909e610cbd40dfd414eee49108f081d8f01c",
    "signer": "0x6d6397f74d01E51Fc0C654f5703B972e7CF26876",
    "userId": "237542932"
  }
}