{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511361",
    "entityType": "User",
    "nonce": "0x8eaddc02b6759ea8b0ee63b388b2d9060abe9b4799324ed517c286a8d341604c",
    "signature": "0x87b8d1c54b7610237681de69d1ff5fb675ac175f50e7d729108796aa2ade3a7e790dad77e1c13043b2033a96b0eb1e0183931417a9c245d3f3e273c670e4b68f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}