{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xe8f2cbd33538c1426e79fe1e4eee721c61d784add80f32e4ddb2fd3d8e084edb",
    "signature": "0xd1c478a552515d593e6b1ed060d410a07ffe4b2debad7f9ad0333eba9616f6810b7ab56d93a04983dccb14a9ff39c66fad58e92bc577b55a3e98aeec2d7478c61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}