{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1cca65f4bc48200ee0f25fa69b52a35e7e4c248956ecf8f10a0cb090a828bdc3",
    "signature": "0x990db3f2b3b5e3239deb922cc015dcbd76509cf57ff9870154338010704fc9185c183d9381d3ec4a7c912ce6cf6dcaaebecbb12852af7e14b15bcd68d3abc3dc1c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}