{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd08fe979c52240b56cbd305e62d36d837d4b89b5a91fbb7f61a3f12c810c02b0",
    "signature": "0x3162cc7057e746b24df3e0f0947f4ff23c93a7c929f43e11f488af05e668dc450ef367288be987a87ab7755fae24618a14ebdd0fcae5071c935be4d73793a3f61b",
    "signer": "0xcbac881538B4BadbCf8DcD0B16A757EFeC952d9d",
    "userId": "384893646"
  }
}