{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x415c36f796db31a681329cd38c441e08701c2794e95d4195f51f3c084c0c7118",
    "signature": "0xb1cccf3e1541b9ab796fb4b8f3bb034b89c72d797de85edf13ba1477ccb6df50760a98a8367a8bc5894d7c714064f6901b2756ca37f07e29c9ff0e215c142e7a1b",
    "signer": "0x506e6f5baf90A83bb0536A27bbe9e02aA3D84795",
    "userId": "925183178"
  }
}