{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x7bb41fd3a467d5fe5f2bb578d73dafd9735ea417215b312f358c05b29d24708f",
    "signature": "0xfe5ab255cd6df7f249a4d5443836021a8f734cb1dfe60b1916628ea0ef18a2777b26b14f6d3d60d77f1e5c69a30e8ded0c30c021b980a6171ad0ab6e4805d3971c",
    "signer": "0x031768c05F8AC66fdb9B2516e50f2EBfEc351dfB",
    "userId": "403976571"
  }
}