{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89655",
    "entityType": "User",
    "nonce": "0x44c76cf89aeca33e2cccf3f0e550fdce4d925de6275ece4e1974fccbb10bbaed",
    "signature": "0xbdd845f5e310d2e718748c8064107b37bc7babc12cfe6f65cb9c5ae4a89b77d346fc1bf33cdb8828173b7abf828d7ffd4838e8ead7f27ce2b8bc9dd94f8c47531b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}