{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932913352",
    "entityType": "User",
    "nonce": "0x6c63c9484bbf3a3abb710a3724fb2cffd28d7ff1cdd1c1dd3e4c776e2be646bc",
    "signature": "0xcd5355502963152eb7af3832ed6306f8e5946950bdca2cd531be1560b0808e9c19fb4e5991b7def7d3edfb36546faea2d24382d0fb6da35b257b49e1de2f453e1b",
    "signer": "0x67E321241D4e44e5aB5D1c365505f0F33044C7BE",
    "userId": "460631539"
  }
}