{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200576",
    "entityType": "User",
    "nonce": "0x277c608cd60455d161600d9f92711c1a212bc05622f6ca2b17edc3e6c9784e8a",
    "signature": "0xafdfe5a78481bbcc6b85a9edbc5db289e4fbe46bdf5f915bc56f84162eb1f6e30bdc732a72aa6a50206d5ad69bea038984b77552e917886dac4680ba9520c3361b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}