{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52477",
    "entityType": "User",
    "nonce": "0x1cae202ee01ecfeab7722a0ff99078b2be56e4dec6fc115523528357891dcff9",
    "signature": "0x2b1dea5868b51e2a736d6109a56a4e9e546d54c88764cf61076810eb59ab286f3c0cff0f8c828bd9219970f1a8c5f7b528a1a731d79fb9460224d0aedd875cdd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}