{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281682",
    "entityType": "User",
    "nonce": "0x03df0566a131a44958cb0d18c3caa4b31bc02cc12a8ff6f2a9bd7516407ced2a",
    "signature": "0x1bf9c672fe76d00b8193872c525aee6a63dade945a1f181fc13113e29d5a43493116bc9ae2cbae55944124cb4dfc8a6387bb72bf8d2f46ed2e53726099859e8e1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}