{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269304",
    "entityType": "User",
    "nonce": "0x879f0094b4056cbf409d964ce57e82528fcfabfe0a57571ca7575fa8b043bc84",
    "signature": "0x7966bbba47e6e0ff9222aab2fc420ab37f42483fa5643c80a54d0682d30597ff1d85c371d12d574fe6027e20ac3b1d5f3f171a1a3c4db992200b01ccff7a5b651b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}