{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1df83462e746b3ec659abfe34f0dced1622044991ebeea7142702e95633719ab",
    "signature": "0xed5b5d1d9f93ea373202d577fd96aa9e628616bbefa2d40d6807b167ed16cdae27849ef9877c1f1e08cb97a73873f03f4ece8c20d8c06ff70096bfb9839cd15c1c",
    "signer": "0xf15FD63403ea1176eaa213fd9354417c325a643b",
    "userId": "813142179"
  }
}