{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf5c0e15e63aa7cdf3725a2d33d7e0e138379f4cb8f3ce7aa40ec5e2ae8b4b5e6",
    "signature": "0xe659b191d961e3b40423e012cfda04de7ff2059f024675f98f667f789bab5573416650915aee482f3be494af673c7c3ca999fb92900e5b9e60738f43c19ef8161c",
    "signer": "0x0dE49A7eB229d4BD6135441C779FE6bB651C5005",
    "userId": "160527696"
  }
}