{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147313",
    "entityType": "User",
    "nonce": "0xe0891b6f18994eb6b07e9a642404cf9aa8602f38d76d27bda7c66ef97afdea94",
    "signature": "0x2ac44864d355e09856d5cbf9c03fc7a0177041dab0f526b7f956fc757b560b726f833cbe244dca3280359cf4a4c71ae597f61533f5cd7a0e7f3b138b30a2b7651c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}