{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128114836",
    "entityType": "User",
    "nonce": "0xd95c1bc81e4e2c058a2401fee90e37c9742610f513421d8e50c9bc30ba20bee4",
    "signature": "0x3d023482d5f7fd197fd4fcb5b343a55b5496b28d6eaefabcb09061ccc8fc7a8a30c11b473e7cd7e61b3e3d0e123584f081868f90b435594946986772823b197e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}