{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0xfb73706e446366dbde586bae6f504984b7c300c235e938046c91b94c67859384",
    "signature": "0x313eb93e9de9e4c8955bf887c22fb466a403af1bce9f5dd69d45f29499793ce7076c534332073022c4497d9911a559efe0511bc0fadca4f23837964ea57d09f91c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}