{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20651",
    "entityType": "User",
    "nonce": "0x9e0ab082d5e00334b90701ffca115e6fe7b490899e3d614790cc38bd711fae03",
    "signature": "0x0b14cb9c36201ff0759f01571b25f952ea91d54fe5db70442458830d4ccdb2cb6a48bbd04e9825eb51714473d64c08f54e60156e49fda8bd341f9510c1ff69b11c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}