{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353372364",
    "entityType": "User",
    "nonce": "0xbebeeb36e7119b063ff1a78338ad79c8ea9a786e9c19e306f4318418d059eba4",
    "signature": "0x14e5feef75cce1e76b31d5e5b65ff7c5d8953ebfc18f4e6043a1dacd413a323e490cc3ef0a51ba094546bfd42588871f89c2f115b798d32ca8c5e27f345745581b",
    "signer": "0xA2431a8293fD33C6289244D08A91489fF2C9f18A",
    "userId": "325308787"
  }
}