{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68072",
    "entityType": "User",
    "nonce": "0x54132ac11596d8839b93e05001a243b78fe0d9e115d2220c314e6afed8511a59",
    "signature": "0x1c94367c86678aeede03457ab613284cb036ea4454495aba44f4b7ee7dcc511a1ac4940c650b033a99ce55da462bbe383395b8733a6997d6733e481fb19e30331b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}