{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x465049a358683ce00b530c734204778e2834d66f90261aad681236a4fac9be9b",
    "signature": "0xf41feca7e0914501f6e7626d7fa83aa47de146fc2cc1463e5ad591ac04e3aafc44c8d81d9be5bb718197bff1e6df602ef09bbd0b763680f8ad4b1c526c7a90641b",
    "signer": "0xCb62a9Cb72608ca74EEe6bA8E7D4F9eDc508C9ce",
    "userId": "797245792"
  }
}