{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd6e51f6babceab5dbcb46eb4e8d11b73477b1b719579bd87317a8b735dc4a48",
    "signature": "0x2296f9f64ab498919348d1db249ab0b3d82c699161fc53bfcaba829d4d811cbf73b624f9ea78230dcdda33c49f6110a820fc0999e26715e5bcae80ed4c583cb31c",
    "signer": "0x117e656B4810D0f42C44E311B57cc6D7e5B6d265",
    "userId": "704914193"
  }
}