{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102041989",
    "entityType": "User",
    "nonce": "0xa39d562f7ec11cc5148220c5b5e5d03b99233a5ea27d7579acf2c573dd79eb66",
    "signature": "0x6ecf876b78f4f74e0fd22511a36a600f6015f475bbe528134bc4bc40e00880df03a24ae64f4d87e64965ed0e52239cebc027836c38cfd728fe5ed7b7aa05d9061b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}