{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75106",
    "entityType": "User",
    "nonce": "0x42111b596f4b10baf1ec5d2be4204264b01c71522281f0a760012f4ea03cc095",
    "signature": "0xcc23292b797e8592318d58d29fa822494d8e87f0424aaee3ca388e76e3a88ee840e784e711f90565d7659a43bf87595aab8b2df5eccba2491535f1a87cd787e91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}