{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0x4ffb8bd29356317bbeb806d3ce0c0d23a9ce251410929e8491eb0c390bc8ac9c",
    "signature": "0x40a368b715c2fab64f9ffd597d910511dfa508739e9298b2e5d8109b458847a15ff794fa80f1016fe70811dd6143e26c9eac48faf649a52dcb04db955c9824251c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}