{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5707",
    "entityType": "User",
    "nonce": "0xa546b618f62ef00a729cd712730bd369e8bd0864b3c2a39729ae86dd1a5ad5f2",
    "signature": "0x8d3f196593e0cd3dae05125a69544b479a6c3805fbb1d945b05ef0ce04a104f21b7d77e5abb8779deb295ad60a7fca41014451d29cb191c4a15a4ec4d55575af1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}