{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd63dab4d35c52e655cc6db38c14cd65b0e2d7d0937c734ab05e60708fbb4f71f",
    "signature": "0x1afe0ad2ee2e8adb3783a389765430711225682c53105d19d628516fe1bba23e66a4592df89e0888d89d4b9ef600d1c6579071552728a29731cc2c8b08d991dc1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}