{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135913",
    "entityType": "User",
    "nonce": "0xc2e9c12417f8a8b251f3109607498109e0682a9d7c52e13b192e2dc1cf7ce136",
    "signature": "0xe4f29e138b0ab08d60ebf108ddeb5d5033cc5f5465406a0d09487cca738be682413ee88e32cee5b19054ace75f0a75068f1d12d545f79d3adb15298948411d701c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}