{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "416697656",
    "entityType": "User",
    "nonce": "0x3cdaf85ee76d7ae81a4d06ad050ad166ad72950aba5d258264ee07d3dbf8535d",
    "signature": "0x782d6c786679a4166e95d293e20cdb5765a361af895306864af62d0252e2b1532e1e79567be47e9be07487fe0a401554c22c6e22120aadba17c48693f039d0151b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}