{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240373",
    "entityType": "User",
    "nonce": "0xda6e7b34638b82d9ea354f0ce6a6f54ef6a322c443c1c752731d65b5891a1d80",
    "signature": "0x073c8c2a1ab73fea373374f050be17c2e3f1937fc3440182d313b5787566c6b610b84b5a4739c1403a452aa3f565e6ee87125177401706ced700df16fe9fac4a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}