{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53695",
    "entityType": "User",
    "nonce": "0xecb9f3224337b3f218527b8dd94aba944eccc93b23d083d408cf057e8f057520",
    "signature": "0x499aec47ad42f2eb58757b0395dd2d1af86a6a9530954c1e1271df10b12d298445fb98cbd0d992b5f9194a13c38916861a447cec34e304bbd842aa7b9b58173e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}