{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "884071071",
    "entityType": "User",
    "nonce": "0xae23f7edf8ba457af2d3717ed5b8eaefacfda1c64583cc1a0d1629dd41c58073",
    "signature": "0x466b2e3789ef4ed5b5cd765d4e8e7501b72eb86a67170a2be6ce6782178b03dd756c55324e39607513615dacd696ae5b6ed15e2f813e50e412ff81e2fad99d251b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}