{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x27809c271075754a151512c1cb1aeb2e7086005603fee871f537354d1b449108",
    "signature": "0xc1167bbce2f257d50eef6a91cdcdb70e94c5e5f3a32cb9f485ab8fd5daaf2dc20340e7196fe785e217a492971506f5780761c20450938ad6178a28e25843aac01c",
    "signer": "0x4b1189bC8Aee2eb6CeD0578e2f69157Ae9DeC090",
    "userId": "67696412"
  }
}