{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27f3c3d85bb76366ccc79b7846dae0e5e2dc9caf874d2465b6592bddf0519628",
    "signature": "0x06afa1567f5b33bdfe7689f0b85070caab238ba6329b0dd682fb72c44bde75975ea3dc16a65eac1b5c66fe0d595ba5d11a3202917415fa75f1bbae331a70eb411c",
    "signer": "0x20f34d7fc3E3727599f595056739b7dc0c9EA571",
    "userId": "908882744"
  }
}