{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc700ee6ef59d2282a148f4a3dddd8a86616a837bec3fd658cf05d54c0e9bceb",
    "signature": "0x702f5ff21e1e757e2ad1d092240e031351b762a6e557a25226176a38646284965390c34a3bd7d6be947f8f99a86cf02399c7c16536987f1f0b8ad66088408d141b",
    "signer": "0xBD4Ab96879DdAB99F156aC8F3f3d7F528E695fE0",
    "userId": "14970479"
  }
}