{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279604",
    "entityType": "User",
    "nonce": "0x05be570495179a48130b802cad2e9700892e78d5581ed0881623e40ce4f7341f",
    "signature": "0x7a0924a163be4e8b2bdf48ad74fd9e596319fbc7429acc884f4f294471ee352d00919a5f68e0b2c12caa2c2f460e8e0e45c5dd8aaf401b55d41194528686aded1c",
    "signer": "0xAD3Ce78f0F619e41eb5AB3763CE08604AF01f4A7",
    "userId": "881765548"
  }
}