{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269764",
    "entityType": "User",
    "nonce": "0x73988b0a6e7a765a9c88d21f282361372b156e338df689f8095b3e904810e09e",
    "signature": "0xe93d237a4521dfc74a76dae4a3e1cfe37adac78cf2e0c6092ab320939c90ad7d7498b7c8e57e35f3c94a9e044776c68003e6bb78306e08027fed2a3f5648122d1c",
    "signer": "0xF83f8804040D884fCBAcD57d4Dbeaa764176F931",
    "userId": "455502808"
  }
}