{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2",
    "entityType": "User",
    "nonce": "0x79c817c00bc77e65fa62c2bf4e7cb3b8ab76a25f7b90c13a933f7243260ad33f",
    "signature": "0x9dd01e7455d867c36b45423a340ab1ca68d71f54bc492cd3f44c96439b56569c4a4c0a8f781e3118a30c1852793ad6ccc629e5a347c853d574c1d07e821163d01c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}