{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x0399d1e1d57aa423c2caf625c4eb5ef04e7f9b7afffbda721027da9ae033a616",
    "signature": "0x076f216427d62e3dfcb59a01294368296e622493e797d7576ce34e326cb690f438219e84a0aaf348e1eee8efef6932274a181e3c168100df63e4117c8040d3191c",
    "signer": "0xc786627661302FDd2cFe2e72dBc92f07EB40a1Ad",
    "userId": "746647846"
  }
}