{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11749",
    "entityType": "User",
    "nonce": "0x441d4a2c6cefed5106dfd81a567a6099fb61051b02573ea6c33c798d3753bf76",
    "signature": "0xf322afb1ddf5190b6df0d6f200e935f2b4bb48dae6692025fa156a356ee5d4856ef9dcd65a120052a05f923422fb488c2fe76e025844bb1276b9374436297a571c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}