{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4956697",
    "entityType": "User",
    "nonce": "0x437286b0594dd5394d0399529dc3b1a8419d147ed024ab5321b4b8588ebd0d9e",
    "signature": "0x07e17fba94ff43f5e03ad457b61af5f460a132e4b31d3287109ff990f5a2400a5ed972b8a6736463fa0f79f1c01ac608ad9edcddffcf779b3e72354a425dc2d41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}