{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "893287807",
    "entityType": "User",
    "nonce": "0x9e13793666f8f417b9d3d66c11b78251334ac0b6757637dbc2538995f94dd52d",
    "signature": "0x2e1429c44539d312f7ea736fe8394fb40f2ceef42aad37ca3eb8cd35e0abbfef7796a25662864bb59ff1ba405351b85568bb4d3e01e165c56c9877a268dbd4671c",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}