{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "286349",
    "entityType": "User",
    "nonce": "0x841f744cf85f9129ba5881dc635af2f361173ccb4da1897efbf23d94ffb5780a",
    "signature": "0xa65b7beb2fb37e8fa369ca392a2b950707988abc5728cf1a6f5619d916a169da7c5e24d92acb5558d1957c8b17041af86c28c698ae42a055b44fd07dc82d59b21b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}