{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x54ce5ee49b5c19dbf7efd8beb132f3d3dad69da89618e5a2311f3f107015d550",
    "signature": "0x98f7c266d2d193b0da849269d0dfd0fd21e0c441aba83c4c6d6a712ec37a5f7e6d33b551d0087a5ab97a2c3e4828e3fe068cebec58b468fc12362a766cebd92d1c",
    "signer": "0x2d00665Ec1AC27508FC4aEF572E680bc2091047b",
    "userId": "900342656"
  }
}