{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "682798637",
    "entityType": "User",
    "nonce": "0xafe2b7c26262d40c5b305e102fff5a637884737e59d2f8f68f80cea52c7c8492",
    "signature": "0xf647747de3f07aff69b0dfc04dbb080e3242d3393383766e0d82f21f504eeca849bd136a9dfaadd823d8a9328d5ccc61e4094e3804374af8776433bd315b5b871c",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}