{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113031",
    "entityType": "User",
    "nonce": "0xa9634a9b73e08c8f044558b14084cc900ed3e92b7087501b5acb57e725ca329a",
    "signature": "0xa394f4879ec12a9c11da82b01d2958402016348cc84ba4d5cbb406b9ee987252189066017c5f69257694781ac19a8c5161a510d11d758b995cb1b510b935a09b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}