{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x25e7519fa43655524cfb09cc6d0054353fbda26877a9251d3ba14e3b997a26e6",
    "signature": "0xb0b573e5702647a0304abbcc55d2f5f8b84a1c6bfe725535bba08ab3727e3d35694b172034ab86e6c2a3017c5ff352adf8375443fdb2bf080c3896d5cec7db3b1c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}