{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132553",
    "entityType": "User",
    "nonce": "0x2575de52782ad8e4843eebf6134c57f1090d2a5d4894ee1d8be04f1a1fadf662",
    "signature": "0x9822060b1ee0bdf967c52e9524ccf75df86aa14971f274e47b40d01a60e2227337081373c49f74d06b669104b93c4e0951ed58530be9201b670947ec44f489bd1c",
    "signer": "0x3e30a6d82F7A5625D77D04B0FB2f510531DA2517",
    "userId": "920136801"
  }
}