{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231124",
    "entityType": "User",
    "nonce": "0x6ff0ae5ed32aef5d7b9599fabe325b6851dae8ae2494e0314f44bf4083eb3d4f",
    "signature": "0x659a25abc20ebe28f2950d20bf771a6426979b493b7ac62f01b82e6e85315b4c53fb4d671e82652295ac2c39bc94b728347639a2dcdb09dda6b1bd0003af998b1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}