{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0a040d66ad486610973600cd9871430beb349366c38a9231b2d1912191184154",
    "signature": "0x30f7132d2ece5edd7e06a9dce07d70ae71423ba7c622db40213513075ae803c43a12fd94b8cad75016f8ed01b7c1e7e74dbffa19438d3e4d7cf97c30a6beee4d1c",
    "signer": "0xBa01D2F72505c1d9136Ec9E5CdC162B697bC65aa",
    "userId": "526115802"
  }
}