{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10431",
    "entityType": "User",
    "nonce": "0xe7ca59c4c33f03ba1f196e02012fa373ca052c347576d24394078c9573ccf309",
    "signature": "0x3dde95602505c65a827810f620751205bb5de2526fe60bb9a89f608d26547f080eb3b294f562ca497d7261e59017cda3eeff31efd59e3c3cec68ce5b60bedb171b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}