{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x68909dbbcb2d1c013e96db2014e6e17436854528dc4035922412d7275ff421bb",
    "signature": "0x6251263b6b4d86c26c95aa5755631385918cf428b47dc3a2a2c1516c6eca97d44bf0476f5188f3dcede8ea2a4636c8b9d4bbbdbb55b65cc2edf9ac615b4302751b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}