{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0x7c881e1d77269fd9a958030016264382de634f8667960515b41fd22cdb40323f",
    "signature": "0x8ed9cbadee8bffc95881fa8856ee93c36f6065caf8cb429d761e3e01896ab9eb09a6fba2b60023ccf12fa1024d7748debeba9f452cabcdcda611a35bea7fe2061c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}