{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "625201833",
    "entityType": "User",
    "nonce": "0x9fa6f0127ff59a464eaf5acd78ef7d5bbd14539870d1d0378692a3816f4aad1c",
    "signature": "0xcf6d532709916fa34b7cd2a7f96b880cca0a8fd9890dd9bb517ca90db821011c051d15910f851e2b75eccf10a1a539afee4fb71c8fd069f5796647cb9af5193d1b",
    "signer": "0xBBBE9eFc177a4E708d317195Fa81aA6E8E2F7E92",
    "userId": "557135181"
  }
}