{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31071",
    "entityType": "User",
    "nonce": "0xd102ec9b70919658f04c96cb7f43bb904516d47198b4b1575c100dc6e3b682e5",
    "signature": "0x3a32398dc99d7be1e10fb57a982746b59fb77891d4544e24c13f1ccad0bf985a22c541be797bcce3e35204c59a79401d3d6f549fd4b3cdab621f0b92de163e231c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}