{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5cb1a9af224b36d77c5eb48f5f6f1dbdd8e3427c7ab24bce2dddd26c06c08cbf",
    "signature": "0xccbaaab440863fa2e4906588ea0694f601a6a1bb203dd4a19cf6febddc7b2894286851cfae3c52036d2995e4545419c3922fd013e2ea209fb3dc139e6124593b1b",
    "signer": "0x174081f0279c84D856864434458E4c1888D80198",
    "userId": "465215062"
  }
}