{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1646095",
    "entityType": "User",
    "nonce": "0x83a1217f90c7a0011adc8135490aa538eb473e775ff7ebc78df94b36d78332aa",
    "signature": "0xe34e091176357f081234ad23a5c6f43c98fd49068f3a65d59d032417be16aa7527bd45e244ee040e323cfc8f5e8498d3f7a7cae9c15ba4c65177ce076f0647ec1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}