{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102798",
    "entityType": "User",
    "nonce": "0xf1efc00d874e2c1d75bf172eb2e6b43365e78d04fcf631e2c3ff59b0766c1dfd",
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    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}