{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1391666",
    "entityType": "User",
    "nonce": "0x934323edf71f6810539185aa4483002dd096fcc97558233deb8475d9cc4e8e69",
    "signature": "0x75c4039951688a1473d4832a4b9f7f341a2dbd421e4d0e52d8591696f6e4bcb5092e22fb6b5d7172c4dd71b8b8935db8172d12331cc6348be136efb046c8ce7e1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}