{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172110",
    "entityType": "User",
    "nonce": "0xf47906321c2e9c85b82a9b3d396888622006fa2ee6304e2b23f77468f43fdcb0",
    "signature": "0xd9d1a27ab9a0ed02b222762b52de527efd60e9a06c10e93d5e074f2a123a0e7c27c01a8c12186990bdcf48570dfa702114f1f02e433bb0cf98b16da5eb0384d51c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}