{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x4bea1f3e821a46b45279e729bd8deff69d46c4b648e8272305fff7d6fa879fbb",
    "signature": "0x13fdfb4ec5fa5a4bc4eb258c543b845c426979e54755f42f2748542b148023377c40d69884bc83c8a6733be49bad0bed462a3e8446d75456486441a22d05bb9f1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}