{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35803",
    "entityType": "User",
    "nonce": "0xca59ae018c82c2b9edf50419a511b033aeaafeb29835abb2bdc7d72e4a75f823",
    "signature": "0xb68a2a174e1cf9eec92482bd6870aeb68e3f1a35eb1bd6dab57e620c2eafb79955de5bf315d56a2a1c17b837f5e902187e17aadfc0e86922cf8317123d115cce1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}