{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0x93343a522b7edba88526bfc9221be5aed53ab6845207cb87093210983080c944",
    "signature": "0xa98cc1ff4eedaabc6cd71e01027c03a4fae6b46a3277b342b64fe49b36f9f8e16a69dcc56e42974a46765b254cd303d4086ccbe48cffb55fa59406b714dd536c1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}