{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48765",
    "entityType": "User",
    "nonce": "0xf3952fa4d3f12a7b57501e4c34deed93527b1678122c2f17e226be29256ff3cc",
    "signature": "0x2c4290b531f3656752209c1dcea198b029655fa0070b834277e694470d4b60923f6e4fcf2670a8b8b60858f4e99c77f095fe7bac0928798286ee2b16e75256e61b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}