{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x392018be2a2e57fd2dfded29602302ff0375a47553112478881a00b26e60bfd3",
    "signature": "0x0407715dfdfdf89e2341d2cbd65a3093098b98446eab9a8798d48bce2013c54e6581df08c7520d9f11bfcfebeb39d485e4b1c5d3dbb9f7096b4814847909df861b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}