{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40202",
    "entityType": "User",
    "nonce": "0xcd89ad2fbc6039fa60ede1a51c7221a875c368ad3fe1733d1b448a31737c87df",
    "signature": "0x69bbaeb4065fa0ad75b55ee5e054e131ab136c0f7d0f77d244b914cedbb7327c3a125e066a3fb024ba69d14cf4db1e58f38fb91256e55d36f0d5cc6446a4ef921b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}