{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0x7d3a2e09af642fa633673ef2f1215392255a3f2fa05ff4324a756c910aa2fd04",
    "signature": "0x2c54456d14f2d97e1f32eee72949bbf1de61491c2cfc707ca4add2b3f361a96a3882ffe6eeb36920a545dbed8bc83fee69a14b5c74b87ba07a8c3828a24bb52f1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}