{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0x2be550761edebd34090c61735199901b22f1a877dfeaaea3a1e4a7e6d93aa49e",
    "signature": "0x2933d87b06a82757d27ab5ad0aae3b7d35c724efbf659bfad7f067f1f625cd5a53af0c443a48a55d7721be7596f10d949ccdd4aa196138876d1435452d656ce81c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}