{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x6d68645cc8a8a2fb60e9c49da248119d5cd78aa97bccf9c0663f3e8dcfb9267f",
    "signature": "0x92890517986a57eb9124dad203bbeb22acd833be24ff237ad0838dd3b4ba14c20b45b52fb1eedd0404bc572359b55a350248a703ff32a64b4c897e4ebb40b88d1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}