{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36542",
    "entityType": "User",
    "nonce": "0x9307bf9f6e3e7958473269608909b2fac366fee65f76405fcc3b90960ba4662f",
    "signature": "0x4815a34f33d0ca070bfe8df02b000ea3fe17305940110f91be19e029414a8d865d924485db9f68b9976a94251527b6bdbd4badc261ff7479b8cc54a3d283e6101b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}