{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195762",
    "entityType": "User",
    "nonce": "0x9dcf3f5b71b6ed5de0ce6853e171b75cd1b55a1d79f13be3eefe158daad9195b",
    "signature": "0x75c256f7b62ebb7e1d595710f71b6468abde339d17be538f1f14fbb724f1e8365eef54f63768a01b1a75f5a8a07c4381f4cabf28619aaeab66eea9fa2aa0438d1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}