{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217405",
    "entityType": "User",
    "nonce": "0xca64c9b0a01d1cbda875448255e3506bdea83fa0ec7af07dffc5fc164fe9c3ad",
    "signature": "0xd8decb052c88c4e7c76be30e2bfc9fe3ebeebe76fc755b7aee6ad1dea6e0e044050fc3992753ca4774d64ab8632b0bf162c6b9c13be7aebbff6d641715b83a741b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}