{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294330",
    "entityType": "User",
    "nonce": "0xa3610b152d0350ea5d3219eeaa43ef7b8c4aafde2910c7d528bafb97dfb99603",
    "signature": "0x50a0c0294d37d0e71a5e2e4a8b466b707f0cb4f7d17f7076a22e5daaf88945ad211fd8584b80f128cdac54d1e2cb3e0bb79d3093f04e0b1353c5c126d14fe5d61b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}