{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x297e9e2fa68b0e80637fa4ef9488afc87f651a8541e043758c42394d5328767f",
    "signature": "0x14b5cde32469d4d909e0b5f310cdc1a0b643dbdf9e5e718f8fa85d65d0f647cf39fc5c8091d0435c795f8806da38ad5161271c055780de59e9009f564ec3f5841c",
    "signer": "0xdCEd2038393702F47EfF3e1fAc5D5Ffb9abfE03b",
    "userId": "883672014"
  }
}