{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696938",
    "entityType": "User",
    "nonce": "0x5a81c3bb2332daec31b5e528dea980c6fae20bbbccd36f69be90bd4072415c96",
    "signature": "0xb6ce68fe1009ea9d733a400338aca760c9188280b235c8c0dd7c59a59a31b3aa690cb4f0d15ccaa2d75a1053114509f0ba8244054ad5c3651c1846672f18d6511b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}