{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "26827",
    "entityType": "User",
    "nonce": "0xf0edd15d507ca97ba8dc76a69c3b37a861106f12ae40c9aeffda1d1589257364",
    "signature": "0xa9d3a6b3e3f2f08dea3bfad560a5078cbf5654799511a11e19acbeced26f46135f4187a3bea4ca7771ed13d39c12b9a1c3a5c9e2bd41470f2e968780769daa0d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}