{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xda69c544f871305489da618e1087f2dec817758c6847b46f1336b670d7b63e58",
    "signature": "0x8f2a288495b07193b89b6a1a1024a8dde4366b32263f998e70d435957d9ce68861f05ed982d6cd76ab40e20a49629b9e51cd59b6e0321fcc8f7ce5e77a767ad51c",
    "signer": "0x6078934b3c7b59D7100F87172BA77449635B17F7",
    "userId": "708796540"
  }
}