{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc7630b2bd61966c7c4720ddd42d566f15e4a27081910cdcee05052ce6adf3467",
    "signature": "0x4822a9158a708a3a89c25fe5c810e9c0c598165c72d76ea1d9e756e835738be834118c70406a570b9a659a03c578f7743fd787cdfc0d61628d67744042c517031b",
    "signer": "0xF144e25B892a3d11795412cB4DCcb5F9B1d959B4",
    "userId": "6233402"
  }
}