{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766293353",
    "entityType": "User",
    "nonce": "0xc5b0b61e2e446f02cce195df7842d8389301ed3e0b349d5f3187a1abc384d304",
    "signature": "0x8cf479884cc225aee23112307febe66b842116813e24429c257cb3c6a47dd50d4def5f1189769d060c99dcf2df2e873a109583e527f173a3e86b0a6c319730c11c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}