{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61682",
    "entityType": "User",
    "nonce": "0xb8221e660465cdf6e2a325117c45de123d12ebb95b614ffc2c5abefa80aee620",
    "signature": "0xf1df3179e10c1cc3ad8be57e143e8a976090607334efd1812bb1f033afa5b5d026f32f0c8b564ebb17fabb82e1203d426fb10ca1c33c800550137e245b50e64f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}