{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74462",
    "entityType": "User",
    "nonce": "0x8009b45b2ee814d838d60ad2032ebce619583a94b2eda9b97aadb1cf340a094c",
    "signature": "0x2bf5a7f3cc9c1293c4071416084d5373cfb235b9789c488b2b67619fa7fff29340718a58a9e4a96e6fd75aa02278d1fafb825cba590c3eb5d76be1de72dc2e2d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}