{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x89754dcf05b3e6df8f4627e3c193e24870268d7ba257979127bf3abce3152048",
    "signature": "0x31cad5053f8906301d2a0c02f534be03570f08ae7f618ead251bd10e8bb180cc6ef8365355e6c19e2b48c69a13e5721a4fc18f7db58f37048fafab50961797a91c",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}