{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xf3cdc929b6fb56f81d3183a9b04ba316168c5362dfd961b003ea005bae3b6608",
    "signature": "0xd013d92f2496e63f6f51a7949e0104b97f16afb68889097c314c7daf575a4c140bb4e96ed8fd66f26929b43effd2f3711b0ab5a3eda1d2db0d2dbdb54539823a1b",
    "signer": "0xBCd27E40808aE07c9aEF50BBf3d7E0bcCd8fCacC",
    "userId": "856877663"
  }
}