{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73354",
    "entityType": "User",
    "nonce": "0x38b9628ab30410bbf1f3897efcf4af049cbb4240b3e0dcce36e9b55e8b923e16",
    "signature": "0x7c623089d0bf209d45f436d530a3748bd25ed894db18f6add8f439f52cfede3176618140fa3309baef5c4b54e7c2b8f292cbaa3c8f8de59e19b31dee48fcf82e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}