{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x35b8c19c9af391c69b0ffc9e849b6326536cb34373200fc3bc0e9f5f5e229870",
    "signature": "0x9726b35c862b67045227a5d50e179fbc3e528610372d7630007f3e459c61319529f984472d30d859778fdbfa15d16741cb0d4b5ec29a77a0441c3a884444605e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}