{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60973",
    "entityType": "User",
    "nonce": "0x8870560acf18e84180bfe055e3f8f59dd24c53fb2e91b8320b103ecede5255b2",
    "signature": "0xb8bff23d266f410473b4259ebace059e8be607669ede49e2a5f4bbf1515f8ffb32533e2970964a07cdd846ae15387f64fc8d0672d80b3df9bde327eab79590d11c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}