{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x11039d0f95e9326fd2e6982f4f1ba09fcc1ec288414d3352f2249cc7bae7ceb3",
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    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}