{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293459",
    "entityType": "User",
    "nonce": "0xfa16f8777148b847428e5c2c1c282c1a5efb771d29f0ae524c2033bc4d9a23b5",
    "signature": "0x2508e70f4c532938ce598539206c7b683da5abfd4969e56f3f252e1246c5197d6c3a6ea5d13b0f6c166fc968141cf39c2cc3b08b73e0cd4b306656fd229ae2421c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}