{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80957",
    "entityType": "User",
    "nonce": "0x9728e654be27641b6496e37b10639501915caada5ae3fdeb88a39b50f6e22f1f",
    "signature": "0x13f588f6698a5112cc03cbe990e13f40521b0f8908b921666f2148458588ba835121c3d9a391a3c2a971a9c63416d40f394b06edcf764db0336c7e3709153c221c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}