{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23915",
    "entityType": "User",
    "nonce": "0xef975e825b53b1c508a56a934dcb25f6158b1a92a82ba5acc151089bc5e2f1f2",
    "signature": "0x8832c25d263531a6bb82d90849b63f6f1a0f5511b2b5c83440afebdc257990f7653bba314b10bd6a6089bef23e780ef5a4c04e066abc28e17e606253cb84b7641b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}