{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x22279ac0c77f79f59778507d223f556bf7c48fee24602d7d7ea5b2e7eac80cad",
    "signature": "0x0be4801b8f34a6a91f4160c6b1a08445c3eef32b3ceb5a1357a91262d6034124768eafcba1486499bbf82018fae97cf2b1923ef72ccec0e9679c236502fdf6181c",
    "signer": "0xC888d1fD9065F0AdF661c54a6bA27c25E56ba3fC",
    "userId": "956687976"
  }
}