{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15470",
    "entityType": "User",
    "nonce": "0xb0ee271fcb096e95088c37b8f16d4e156f904739baca2f6ec2a7cd54661ef611",
    "signature": "0x95c8c0801c16b1c1fdef017417b4b9748b53d99510142400388f7bdab40e18f3332d4d41bbe978fac8efdabf1ee6c2510c34414f83550194b03759ddfefa07e21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}