{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf31d8023774903d99f83d3d72c9fd907d9aad33fe4a5794729b9249cdafda9ae",
    "signature": "0x27b15f3f36c5a6f73a406b77309e55d3d3fdc44caa89b91ca275d29b21f892335701ef0b0b7ce835ee1fbf752223d441565b4c66e98173cdf606378f2414ecca1b",
    "signer": "0xDc615f6A805788DACADE6497321E10013Ab6221a",
    "userId": "566662246"
  }
}