{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x12d500e60434df2de310c58abc171c4d1ab3a1e640321e38af1d162dd0a66f96",
    "signature": "0xc299d007d5398c8281460a1775e3b7a6c95269344d303ee81db798fc00082d485dd854a661da1eb8b3408df13879603905153b49cf678173be533d8b90577ab01b",
    "signer": "0x1eE9054C1Fbd103C220810Af04980227e57d33E3",
    "userId": "52328655"
  }
}