{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137166",
    "entityType": "User",
    "nonce": "0xdae18a6be65ec8895e56f19f1cb7b4475695efc4ee03039af95e072760116841",
    "signature": "0xf4e3bea7c3b7658cc7e30926e06139636beae9241ad036cdaf298ab9c33f122a3a221dc24a30fa2d28ee67c2e46d648488dcc80dda7a7a42f35574de619506861b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}