{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8d15c490dbe16350c0bf9d3e6134f2bf8d261294c5cbfc31969357e9820d06e3",
    "signature": "0x4873d5c59a83658ddec0fb6d4e7ba552796480f878683b3aa1672823a3d20e5f33a60b9c3b4f3438a0790d75a71f2a19c55499749aa6d26ca36baf2586120e8d1b",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}