{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132120",
    "entityType": "User",
    "nonce": "0x7f8c98adbc12103be28fb6df3fbc68ae6a099e04a7419b9f58e5716fefebb2f0",
    "signature": "0x30d161a94a8004bc4a193a205ed375f7b4527b2c6dc5c03c58b77e03b4dfe6c064d8dc8df4ecb0a0f5747251b09867b66771683f800406aa9898220df27420a21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}