{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x306c4ea6bcf6f6f0e2c137ede500dc1ab46782fe0932bece8603a7e6fd9ec491",
    "signature": "0xeadf5f10a95140319d7374a8b57cec4c423cdb593d9824caeae17da951c490b45a00e6db40af5d58e44ab298376129e6a5ce480f38350d8b129bb5fffb74dd891b",
    "signer": "0x7a991F28f8c946030bE26Eb8408414771247985d",
    "userId": "514559071"
  }
}