{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12292",
    "entityType": "User",
    "nonce": "0xbc4d5913189a1d09933485564827bf813f714380cca2320fd437274e7f24d53e",
    "signature": "0x2dcce3567794652ec83739c714d6ff070d8f7cd02c25d14ec3ebd96e273816943e54ed79019d1d2056eba127de26abca1af49d32154cdb5eda555553a34e737d1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}