{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60150",
    "entityType": "User",
    "nonce": "0x1675b71166d7a7adaa9dbbd5046f0f081d38c65d5bfa9af9527bd10b632fac91",
    "signature": "0x178fe0e785e357e376d8f986c8d4fe95969d043340d20c45f252a60ed3635b3d64c79ccd0a8cfdd128547a32a1a6bebb61d8a5827221c691a17dbd098c6414511b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}