{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42279",
    "entityType": "User",
    "nonce": "0x4f34f3dac560ab8201b00303cf38bdf4ce73812510243c185111ffe182e8a08b",
    "signature": "0xaa29c4c6c1dfbd73ae9cde16ccdd86ff2803f950f017433561f3746911b0d9c0513701c9f5eb86bdc143bc6ec9acd4dcef3e929330928b9e9832d9baa542b87a1c",
    "signer": "0xF83f8804040D884fCBAcD57d4Dbeaa764176F931",
    "userId": "455502808"
  }
}