{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "794062771",
    "entityType": "User",
    "nonce": "0x7ab6d867c44cf1d5aa34e04e1264edbb8233ab24248b4c98006cc0f00805276d",
    "signature": "0xa17c98f11f8ca4ca9e1abc0e4ea45353157a638e717cc1a968ff137e3a3787eb4c0684b8242000427ce819cb2175dfe1cc82b99d26364809b18cf2d8fdc6b52c1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}