{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74582",
    "entityType": "User",
    "nonce": "0xe354fc3edbe630af05f603cbaca46256f1729804eccae124a2510a86524c4323",
    "signature": "0x69ef2fae15dc31490cfdfcb16e719c3c35229d84321aa089efe2a6217c75be24676a3ce45890c26f6ce31dd08549c08d09777a4f65ca10a3f687433e2b17dffa1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}